package lab02.test31;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Adminitrator on 2017/11/2.
 */
public class Test {
    public static void main(String[] args) {
        //数组：量词
        String[] numbers=new String[10];
        //集合：list set map
        List<Integer> list=new ArrayList<Integer>() ;
        list.add(10);
        list.add(12);
        list.add(14);
        list.add(16);
for (Integer num:list){
    System.out.println(num);
}
List<String>names=new ArrayList<>();
        names.add("张三");
        names.add("李四");
        names.add("王五");
        names.add("马六");
        names.add("赵七");
        for (String name:names){
            System.out.println(names.indexOf(name)+"/"+name);
        }
        System.out.println("集合大小"+names.size());
        String delName=names.remove(2);
        System.out.println("删除的第三个元素："+delName);
        System.out.println(names.get(2));
    }
}
